mass

Q: Which of the given elements has the most nonmetallic character?

A: In the periodic table, the left side of the periodic table contains metals whereas the right side co...

Q: In the following reaction, identify the Lewis acid. (d) NH3 + CH3CO2H NH4 + CH3CO2 (a) CH3CO2 (b) NH...

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Q: 16- Containing C, H and O in its structure; What is the simple formula of the compound containing 52...

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Q: O D) 5

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Q: 1 Consider the following reaction at 300 °C: Co(g) + 2H2 (g)= CH3OH(g) An equilibrium mixture contai...

A: Given :  At equilibrium: Moles of CO = 0.689  Moles of H2 = 0.611  Moles of CH3OH = 0.270  Volume = ...

Q: A 25.0 mL solution of Ba(OH) 2 is neutralized with 36.3 mL of 0.250 M HBr. What is the concentration...

A: Barium hydroxide reacts with hydrogen bromide to form barium bromide and water. The hydrogen ion of ...

Q: What is the difference between nonpolar and polar Ionic bonding?

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Q: Identify the following atoms as being either paramagnetic or diamagnetic based on their electron con...

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Q: A 0.025 M solution of an unknown organic acid has a pH of 2.75. By means of a full calculation, dete...

A: Given: Concentration of acid HA = 0.025 M And pH of the acid solution = 2.75. Since pH = -log[H+ ] W...

Q: Complete the following table: 46V Symbol Protons 15 Neutrons 15 68 52 Electrons Please enter the num...

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Q: What volume of iron (7.87 g/cm3) would be  required to balance a 1.25 cm3 sample of lead (density 11...

A: Mass = Density x Volume  

Q: Why is carbon such a versatile element?

A: Given,  Element = Carbon (C) Why is carbon such a versatile element = ?

Q: g) In a nuclear reactor how is the chain reaction controlled in order to produce a steady output of ...

A: Nuclear fission reaction is a process in which radioactive atoms are split into fragments using neut...

Q: it's asking for the IUPAC name for these molecules

A: The question is based on the concept of IUPAC naming of the compounds.   we have to write the correc...

Q: Calculate the ratio of equatorial to axial ethynylcyclohexane at 26 °C. (AG° = -1.7 kJ/mol for the t...

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Q: Consider the following reaction at 300 °C: CO(g) + 2H2(g) > CH3OH(g) An equilibrium mixture contai...

A: Consider the following reaction at 300 °C: CO(g) + 2H2(g) > CH3OH(g). The mole of each species at...

Q: Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers, diffe...

A: Given structures are : Whether they are :  a). Constitutional isomers  b). Stereoisomers (cis and t...

Q: Find the volume in mL of a 0.15 M HCI solution from 350 mL of 0.35 M HCl

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Q: Find the rate law for the reaction 2 N205(g) – 4 NO2(g) + O2(g) based on the proposed mechanism: NO2...

A: The rate of the overall reaction depends on the rate of the slow step only. Therefore, the rate law ...

Q: Select the correct Lewis structural formula for the following representation of ozone. For this ques...

A: Some common steps to find Lewis structure -  Find out total valence electrons. Draw skeletal struct...

Q: Alleost five Challenge: 19) 67 mg to kg 20) 832 mm to km 21) 3.2 km to cm 22) 945 L to quarts 23) 25...

A: For each of these conversions, we have to use the respective conversion factor to find the answer. W...

Q: As the atoms move even closer, which force is in strongest? A. Electrostatic attraction B. Electrost...

A: Potential energy vs internuclear distance diagram shows the dominant forces with the variation of di...

Q: A certain first-order reaction has a rate constant of 2.50×10−3 s^−1. How long will it take for the ...

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Q: Using the periodic table, select the orbitals that contain electrons for the atom indicated in its g...

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the ele...

Q: Derive the minimum radius ratio(r/R) for coordination number of 6. Estimate the coordination number ...

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Q: There are 2 grams of H2 gas in a fixed volume container at 273 °C. 16 grams of He gas is added to th...

A: The ideal gas equation is  PV = nRT  For fixed volume , under two different temperatures the above e...

Q: 1. Write the general formula and structural formula of the following organic compounds: d. Ethylene ...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for ...

Q: Question 1 1 Consider the following reaction at 200 °C: 2C0(g) + 02(g) = 2C02(g) An equilibrium mixt...

A: We have given an equilibrium and equilibrium composition and asked equilibrium constant.

Q: Briefly: a. What does this say about an ideal gas? (@E/®V)r = 0 b. How do we know it is true? Either...

A: Internal energy is the energy associated with the random, disordered motion of molecules. Entropy is...

Q: A polar covalent bond between two atoms occurs whena. one atom attracts shared electrons more strong...

A: Given options are : a. one atom attracts shared electrons more strongly than another atom.b. atoms a...

Q: In the hydrogenation of ethylene using a nickel catalyst, the initial concentration of ethylene is 1...

A: hydrogenation of ethylene CH2=CH2 + H2 → CH3-CH3  This Reaction is Zero order Reaction . * initial c...

Q: HCl + Na2S --> H2S + NaCl is given. According to this reaction, if 5 moles of hydrochloric acid reac...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: How would one analyze a solution known to contain Hg +2 2 and Cu2+?

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Q: SnCl2 (k) → Sn (k) + Cl2 (g) +325.1 kJ 2 SnCl2 (k) + 2 Cl2 (g) → 2 SnCl4 (s) -372.4 kJ Using the rea...

A: The reaction enthalpy, ∆H, is the energy that is involved in carrying out a reaction. Energy may be ...

Q: Of the following compounds, which can exist as geometric isomers?   Select all that apply.    1,1−...

A: Since the IUPAC names of all the given compounds end with "ene", they are all alkenes.  Alkenes show...

Q: H;O* H,O ZI

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Q: The number of hydrogens in a hydrocarbon with 8 carbons and 3 double bonds is

A: Given: Number of carbons = 8  And the number of double bonds = 3  

Q: C4 H10 O3 + ? O2 → 10- Assume that this reaction is a complete reaction. What can be the coefficient...

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Q: 11th - Which option gives the correct formula for the iron (III) sulfide compound? а) Fe2S В) Fe2S2 ...

A: Compound = iron(|||) sulfide  It is an sulfide of iron. Net charge on this compound is zero.

Q: Compound 7: C3H%O3 T 11 10 7 6 5 4 3 2 1 s(1 H) d(1 H) t(1 H) d(1 H) t(1 H) s(3 H) 200 180 160 140 1...

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Q: 1.   Does sodium (Na) attract or release electrons?  How many electrons are involved in the transfe...

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Q: Draw the most predominant form of L-aspartic acid in a solution with pH = 2.8. Do not forget to draw...

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Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of meth...

A: We have to calculate the mass in grams of methanol.  

Q: C. H10 O3 + ? O2 → 30 - If complete combustion occurs as a result of the above reaction, what will b...

A: The given reaction is a combustion reaction and for balancing of combustion reaction first balance t...

Q: Vhich atom in the molecule below possesses a partial negative charge as a result of inductive effect...

A: The molecule given is,  

Q: The electron distribution of the -1 charged ion of the Cl atom is similar to that of which atom? O a...

A: Given: Which atom will have similar electron distribution as that of the Cl atom with -1 charge.  

Q: 1.____What is the mass of a femur (leg bone) having a volume of 118 cm3? The density of bone is 1.8 ...

A: Density :-  The ratio of mass of a substance to volume of the substance is defined as density  Densi...

Q: Reduction

A: The above Reaction is the Reduction reaction of the Ketone . We can carry out the Reduction reaction...

Q: A beer sample is analyzed in the laboratory to determine the international bitterness units (IBUs). ...

A: Given data: 22.5, 25.4 and 21.7  Calculate: Range of 95% confident the true value = ?   

Q: The redox reaction in acidic solution is shown below. What will be the coefficient of the Bros ion w...

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.